/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.server.worker.config;

import org.apache.dolphinscheduler.meter.metrics.BaseServerLoadProtection;
import org.apache.dolphinscheduler.meter.metrics.SystemMetrics;
import org.apache.dolphinscheduler.server.worker.executor.PhysicalTaskExecutorContainerProvider;

import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Slf4j
@Component
public class WorkerServerLoadProtection extends BaseServerLoadProtection {

    @Autowired
    private PhysicalTaskExecutorContainerProvider physicalTaskExecutorContainerDelegator;

    public WorkerServerLoadProtection(WorkerConfig workerConfig) {
        super(workerConfig.getServerLoadProtection());
    }

    @Override
    public boolean isOverload(SystemMetrics systemMetrics) {
        if (!baseServerLoadProtectionConfig.isEnabled()) {
            return false;
        }

        if (super.isOverload(systemMetrics)) {
            return true;
        }

        if (physicalTaskExecutorContainerDelegator.getExecutorContainer().slotUsage() == 1) {
            log.info("OverLoad: the TaskExecutorContainer slot usage is 1");
            return true;
        }
        return false;
    }
}
